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           __   __   _    _      ___     _    _   
    ___    \ \\/ // | || | ||   / _ \\  | || | || 
   /   ||   \ ` //  | || | ||  | / \ || | || | || 
  | [] ||    | ||   | \\_/ ||  | \_/ || | \\_/ || 
   \__ ||    |_||    \____//    \___//   \____//  
    -|_||    `-`'     `---`     `---`     `---`   
     `-`

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Text this: Collusion set detection using a quasi hidden Markov model